ATA Bus Interface and ATA Commands

 

 

 

 

 

 

 

 

Word

 

 

Content Description

 

 

 

 

 

 

53

15-3:

Reserved

 

 

 

 

 

2:

 

 

 

1

= the fields reported in word 88 are valid.

 

0

= the fields reported in word 88 are not valid

 

 

 

 

 

1:

 

 

 

1

= the fields reported in words (70:64) are valid.

 

0

= the fields reported in words (70:64) are not valid

 

 

 

 

 

0:

 

Obsolete

 

 

 

54-58

Obsolete

 

 

 

 

59

15-9:

Reserved

 

 

 

 

 

8:

 

1 = Multiple sector setting is valid

 

 

 

 

7-0:

xxh = Current setting for number of sectors that shall be transferred per

 

 

 

interrupt on R/W Multiple command

 

 

60-61

Total number of user addressable sectors

 

 

 

62

Obsolete

 

 

 

 

63

15-11:

Reserved

 

 

 

 

10:

 

 

1

= Multiword DMA mode 2 is selected.

 

0

= Multiword DMA mode 2 is not selected

 

 

 

 

 

9:

 

 

 

1

= Multiword DMA mode 1 is selected.

 

0

= Multiword DMA mode 1 is not selected

 

 

 

 

 

8:

 

 

 

1

= Multiword DMA mode 0 is selected.

 

0

= Multiword DMA mode 0 is not selected

 

 

 

 

7-3:

Reserved

 

 

 

 

 

2:

 

1 = Multiword DMA mode 2 and below are supported

 

 

 

 

 

1:

 

1 = Multiword DMA mode 1 and below are supported

 

 

 

 

 

0:

 

1 = Multiword DMA mode 0 is supported

 

 

 

64

15-8:

Reserved

 

 

 

 

7-0:

PIO modes supported

 

 

 

 

Maxtor DiamondMax 8S 40GB SATA

5-8

Page 44
Image 44
Maxtor Computer Drive manual Word Content Description